Merge pull request #171 from dpsanders/bigfloat_functions

New names for BigFloat precision and rounding functions

README.md

@@ -139,6 +139,13 @@ Currently, the `@compat` macro supports the following syntaxes:
 
 * `readall` and `readbytes` are now `readstring` and `read` [#14660](https://github.com/JuliaLang/julia/pull/14660)
 
+* `get_bigfloat_precision` is now `precision(BigFloat)`, `set_precision` is `setprecision` and `with_bigfloat_precision` is now also `setprecision`
+[#13232](https://github.com/JuliaLang/julia/pull/13232)
+
+* `get_rounding` is now `rounding`. `set_rounding` and `with_rounding` are now `setrounding` [#13232](https://github.com/JuliaLang/julia/pull/13232)
+
+
+
 
 ## New macros
 

src/Compat.jl

@@ -823,4 +823,25 @@ if VERSION < v"0.5.0-dev+2228"
 
 end
 
+if VERSION < v"0.5.0-dev+1182"
+    # Pull Request https://github.com/JuliaLang/julia/pull/13232
+    export setprecision
+    export setrounding
+    export rounding
+
+    setprecision(f, ::Type{BigFloat}, prec) = with_bigfloat_precision(f, prec)
+    setprecision(::Type{BigFloat}, prec) = set_bigfloat_precision(prec)
+    setprecision(prec) = setprecision(BigFloat, prec)
+
+    Base.precision(::Type{BigFloat}) = get_bigfloat_precision()
+
+    setrounding(f, T, rounding_mode) =
+        with_rounding(f, T, rounding_mode)
+
+    setrounding(T, rounding_mode) = set_rounding(T, rounding_mode)
+
+    rounding(T) = get_rounding(T)
+
+end
+
 end # module

test/runtests.jl

@@ -790,4 +790,26 @@ mktempdir() do dir
         cleanup()
     end
 
+
+# https://github.com/JuliaLang/julia/pull/13232
+
+setprecision(BigFloat, 100)
+@test precision(BigFloat) == 100
+setprecision(256)
+@test precision(BigFloat) == 256
+
+setprecision(BigFloat, 100) do
+    a = big(pi)
+    @test precision(a) == 100
+end
+
+for T in (BigFloat, Float64)
+    setrounding(T, RoundDown)
+    @test rounding(T) == RoundDown
+
+    setrounding(T, RoundUp) do
+        @test rounding(T) == RoundUp
+    end
+end
+
 end